105U-G Wireless Gateway
User Manual
Page 39
© September 2004
3.8
Modbus Plus Port
For 105U-G-M+1 modules only.
Connection to the Modbus Plus Network is via the 9-pin D-SUB connector located at the
antenna end of the module. Pin-outs are outlined in the table below.
See section on configuration for description of selector switches.
Modbus Plus 9-pin D-SUB Connector:
Pin
Name
1
Cable Shielding
2
MBP Line B
3
MBP Line A
Housing
PE
ANTENNA
CONNECTION
(869MHz Only)
D9 MODBUS
PLUS
CONNECTION
SELECTOR
SWITCHES
DIAGNOSTIC
LED’s
CONFIGURATION
ENABLE